Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
1 seat held for the next session
30:00Held for another
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.
Master zkSync: Develop and Optimize Applications on the Effortless Scalability Blockchain
Trusted by — schools, companies and industrial groups
Every program built with a dedicated engineer
Learning objectives
- Explain the functioning and challenges of scaling solutions like Layer 2
- Understand the architecture and cryptography behind zkSync (zkRollups, SNARKs)
- Develop, deploy, and interact with smart contracts on zkSync
- Connect and migrate existing applications or create new dApps on the zkSync network
- Optimize transactions, security, and performance on zkSync
- Anticipate integration challenges, costs, and governance of a zkSync solution
Our social commitment
A school kit donated to a child for every training
To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
- Backpack, notebooks and essential supplies
- Distributed through our partner charities
- Included, at no extra cost to you
The Learni story
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Why this program matters
Without mastery of zkSync, your blockchain applications on Ethereum stay trapped by exorbitant gas fees and failing scalability, limiting widespread adoption.
A company loses an average of 150 000 € per year in unnecessary transaction costs and deployment delays, with peaks reaching 500 000 € for critical projects.
70 % of decentralized app failures stem from poorly optimized zk implementations, threatening your team's reputation and survival against ruthless competition.
Every month without zkSync expertise exposes your career and business to irreversible obsolescence.
Program
Module 1Introduction to zkSync & Layer 2 Challenges
Overview of scalability issues on Ethereum and existing solutions (Sidechains, Plasma, Rollups). Presentation of zero-knowledge rollup and the origins of zkSync, technical advantages: cost, speed, security. High-level architecture of the protocol, overview of actors (users, operators, validators, developers). Deployment and configuration of zkSync-compatible wallets.
Module 2Development on zkSync: Smart Contracts & dApps
Presentation of development tools (SDK, APIs, hardhat-zksync, bridges). Creation of zkSync-compatible smart contracts, differences and key considerations compared to Ethereum. Practical exercises: deployment scripts, transfer management, fee mechanisms on zkSync, integration with existing dApps. Handling testnet/mainnet environments, environment management, and monitoring.
Module 3Security, Optimization & Concrete Use Cases
Best security practices and auditing on zkSync. Scalability: analyze and optimize transaction costs, batch processing, read/write in the global state. Interfacing with the L1/L2 bridge. Real-world integration examples: NFTs on zkSync, marketplaces, fast payments, gaming. zkSync future roadmap (expected features, V2, EVM compatibility). Practical workshops: deploy a complete project, design an integration strategy, advanced troubleshooting.
Evaluation method
- Concrete case study to be conducted during the training
- Technical MCQ on zkSync concepts and security
- Presentation of a mini-technical project to the trainer
Learning method
- Framing and interactive courses via videoconference
- Practical situations, guided work, and peer review
- Provision of a complete guide (cheatsheet, official resources, project templates)
- Q&A sessions and individualized follow-up points
Methods, materials and delivery
The Master zkSync: Develop and Optimize Applications on the Effortless Scalability Blockchain program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
Equipment required
For the smooth delivery of the Master zkSync: Develop and Optimize Applications on the Effortless Scalability Blockchain program, the following equipment is required:
- Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
- Training environments installed on workstations or accessible online
- Course materials, hands-on exercises and complementary resources
- Post-training access to materials and educational resources
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
* contact us for remote delivery feasibility** ratio varies depending on the program
Skills assessment methods
Assessment of skills acquired during the Master zkSync: Develop and Optimize Applications on the Effortless Scalability Blockchain program is performed through:
- During training: case studies, hands-on labs and professional scenarios
- End of training: self-assessment questionnaire and skills evaluation by the trainer
- After training: completion certificate detailing acquired skills
Program accessibility
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Enrollment terms and lead times
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
Our method
Training quality, guaranteed at every step
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
You meet the trainer beforehand
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
- Live briefing on goals and team context.
- Veto right — we swap the trainer for free if needed.
Content tailored to your context
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
- Hands-on cases drawn from your stack and projects.
- Program co-written then validated by your team.
Continuous quality follow-up
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
- NPS, knowledge quizzes and skills self-assessment.
- Satisfaction guarantee: fully satisfied or free rework.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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FAQ
Frequently asked questions
How much does the Master zkSync: Develop and Optimize Applications on the Effortless Scalability Blockchain training cost?+
The price is $3,675 (USD) per participant. A detailed quote is sent within one business day.
How long is the Master zkSync: Develop and Optimize Applications on the Effortless Scalability Blockchain training?+
The training lasts 3 journées, available live online (US time zones) or on-site at your offices.
How is this training paid for?+
Most US teams pay directly through their company (L&D or training budget). We invoice in US dollars and accept bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
Are there any prerequisites?+
Good knowledge of fundamental blockchain principles and smart contracts (ideally on Ethereum), notions of application security, proficiency in JavaScript or Solidity.
Is a certificate delivered at the end?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report.
Does Learni provide the equipment?+
No. A computer and stable internet connection are required for the participant. Learni provides the educational platform, the trainer and all course materials.
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